Wilford F. (Min) Leibrook (January 18, 1903 - June 8, 1943) was an American jazz tubist and bassist. Born in Hamilton, Ohio, Leibrook began as a cornetist before switching to tuba and bass. In the 1920s he played in the in Chicago. He played in The Wolverines in 1924 alongside Bix Beiderbecke, where he made his first recordings, and later joined the band of Arnold Johnson. He worked later in the 1930s with Lennie Hayton and Eddie Duchin, mostly on string bass. In 1936 he played in the group The Three T's, with Trumbauer, Jack Teagarden, and Charlie Teagarden.